package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
/**
 * 执行DML语句-INSERT
 */
public class JDBCDemo2 {
    public static void main(String[] args) throws Exception {
        Class.forName("com.mysql.cj.jdbc.Driver");
        Connection connection= DriverManager.getConnection(
                "jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
                "root",
                "root"
        );
        System.out.println("成功连接数据库！");

        Statement statement = connection.createStatement();

        /*
        INSERT INTO userinfo(username,password,nickname,age)
        VALUES('张三','123456','啊三',22)
         */
        String sql="INSERT INTO userinfo(username,password,nickname,age) \n" +
                   "VALUES('张三','123456','啊三',22) ";
        int num = statement.executeUpdate(sql);
        if(num>0){
            System.out.println("插入完毕!");
        }

        connection.close();
    }
}
